-١٩-OPERATING UNIT THROUGH ELECTRONIC OPERATION PANEL (Cont.)DESCRIPTION OF BUTTONS AND LEDS OF UNIT OPERATION PANEL (Cont.)10. Confirm / Cancel Button : Press this button to confirm or cancel the time setting.11. Mode Lock Button Press this button to lock all current settings.12. Mode Lock Led This led light on when lock button is pressed.13. Running Test Button: Press this button to make the unit run for an hour of test, this function is specially designedfor maintenance technicians.7.2 DESCRIPTION OF DISPLAY OF UNIT OPERATION PANEL14. Mode displayDisplays the selected mode including : AUTO, COOL, DRY15. Fan Speed displayDisplays the selected fan speed including : HIGH, MED, LOW and AUTO16. Temperature setting displayDisplays the selected temperature ( from 17°C to 30°C )17. Timer displayDisplays the selected timer function ( TIMER ON, TIMER OFF, TIMER ON OFF )18. Timer setting / clock or trouble display19. Types of clock20. Status display12856 391011137121415 161718 1920FAN SPEED AUTOLOW MED HIGH4